DR. DANIEL E. MATTHEWS, M.D.

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This study looked at the role of a protein called GLP-2 and its receptor in a condition called graft versus host disease (GvHD), which can occur after bone marrow transplants. Researchers found that when the GLP-2 receptor was not functioning properly in mice, the severity of GvHD increased, leading to a decrease in survival rates—specifically, these mice had higher levels of bacteria in their blood. The findings indicate that GLP-2R is important for gut health after transplants and its loss can worsen the condition. Who this helps: This helps patients undergoing bone marrow transplants and their doctors.

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This study looked at how well a drug called enzalutamide works for men with advanced prostate cancer that is still responsive to hormones. Researchers found that 76% of the 424 patients treated achieved a significant decline in PSA levels within about six months, and the average time patients stayed on the treatment was nearly 32 months. This matters because it shows that enzalutamide is effective and safe for treating these patients, supporting findings from clinical trials. Who this helps: This benefits men with hormone-sensitive prostate cancer and their doctors.

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This study looked at how the vocabulary kids have at age 5 affects their educational success by age 16, especially in relation to their family’s economic situation. Researchers found that a child's vocabulary strongly predicts their education level later on—each extra word at age 5 increases their chances of doing well by 62% and affects children from various socioeconomic backgrounds differently. Importantly, kids with good vocabulary but coming from low-income families still have only about a 50/50 chance of achieving important qualifications by age 16. Who this helps: This research benefits educators and policymakers focused on supporting children from disadvantaged backgrounds.

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This study looked at communication skills in 193 minimally verbal children aged 4 to 13, focusing on how their abilities to understand language compared to their ability to speak. Researchers found six different groups, where most children showed consistent skills in listening, talking, and other abilities, but in two groups, children's understanding was much better than their speaking skills. This finding highlights the need for targeted support for children who struggle with speech despite having good comprehension, helping educators and therapists develop more effective communication strategies. Who this helps: Patients and their families, especially children with speech difficulties.

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This study looked at how acceptable a digital support service is for parents of young children who have speech, language, and communication needs (SLCN) or are multilingual. Out of 87 families surveyed, most found the service, which includes weekly text messages with helpful videos and online therapy, to be useful and convenient. Caregivers appreciated the representation of their diverse backgrounds in the videos, but some felt that children with complex SLCN were not adequately addressed, highlighting the need for more inclusive content. Who this helps: This benefits families with young children who have speech and language challenges or speak multiple languages.

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This research studied how to create flexible, self-repairing legged robots that can adapt their shapes and functions much like animals. The robots have modular legs that can connect and reconfigure, allowing them to recover from damage and perform complex movements in unpredictable environments. This matters because it enables these robots to be more resilient and versatile than traditional robotic designs, which often fail when damaged. Who this helps: This helps engineers and developers of robotic systems, and could benefit various fields like search and rescue, exploration, and rehabilitation.

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This study examined a specific type of adenovirus, human adenovirus type 10 (HAdV-D10), which could be used for vaccines and cancer treatments. Researchers found a unique structure in this virus that helps it enter cells, identifying an "umbrella" shape in its design. They also discovered that this virus produces different proteins compared to another related virus, which is important for developing effective therapies. Who this helps: This benefits researchers and developers working on vaccines and gene therapies.

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Researchers at the 2025 Leon Thal Summit brought together experts to discuss how to improve tests that can detect chronic traumatic encephalopathy (CTE), a brain disease linked to repeated head injuries. They found that there’s a strong need for reliable tests that can identify specific kinds of tau proteins associated with CTE and called for better use of brain imaging and blood tests. This research is crucial because developing accurate diagnostic tools can lead to earlier detection and treatment for people showing signs of CTE. Who this helps: Patients with CTE and those at risk for it, as well as their doctors.

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This study looked at how well children who struggle to speak communicate and how that affects their caregivers' happiness and satisfaction with family life. Researchers found that caregivers of minimally verbal children experienced worse mental wellbeing than average, with 23% showing signs of mild depression and 26% showing signs of more severe depression. Although children's communication skills didn’t predict general happiness, these skills were linked to better wellbeing and family satisfaction for caregivers. Who this helps: This helps caregivers of minimally verbal children and the professionals supporting them.

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This study looked at how local treatment (LT) to the prostate affects patients who have recently been diagnosed with low-volume metastatic hormone-sensitive prostate cancer and are receiving androgen receptor pathway inhibitors (ARPI). The researchers found that 18% of the 454 patients received LT, and those who did had a longer average overall survival—about 4.67 months more—compared to those who only received ARPI. This matters because improving survival times can significantly impact the quality of life for these patients. Who this helps: Patients with low-volume metastatic hormone-sensitive prostate cancer.

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This study looked at how different countries pay for cancer drugs used to treat prostate, kidney, and bladder cancers. It found that Canada and France had the highest reimbursement rates for these drugs, covering as much as 85% for prostate cancer, while Portugal had the lowest at only 20% for bladder cancer. This matters because it shows significant differences in access to important cancer treatments based on where patients live, even when the drugs are shown to have substantial clinical benefits. Who this helps: This helps patients with genitourinary cancers by highlighting disparities in access to treatment based on their country.

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This study looked at how different countries, specifically the US and France, approach community-based ways to prevent HIV in marginalized groups, such as LGBTQ+ individuals and people of color. Researchers found that in the US, teams could openly discuss issues like structural racism and power dynamics, while the French teams struggled with these conversations, which affected their research implementation. This matters because understanding these differences can improve how empowerment-based HIV prevention efforts are designed and executed in various contexts. Who this helps: This helps community organizations, researchers, and health policymakers focused on HIV prevention and treatment.

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This study looked at how to create better messaging about pre-exposure prophylaxis (PrEP) for Black gay, bisexual, and queer men in New York City. Researchers held focus groups with 20 participants who expressed that effective communication should focus on practical information about using PrEP, promote a positive view of sexual health, and fully represent their community in the messaging. They found that messages should be engaging, funny, and relatable, highlighting that PrEP is a normal part of staying healthy and should eliminate stigma around its use. Who this helps: This helps Black gay, bisexual, and queer men seeking information about HIV prevention.

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This study looked at how available and used certain hormone treatments are for inducing puberty in girls with a condition called hypogonadism. Researchers found that while most countries have access to higher-dose estrogen and progestogen preparations, lower-dose options are much less available; for instance, only 20% of participants could find 0.5 mg estradiol tablets. This is important because having the right hormone doses is crucial for young girls, and easier access to these medications can lead to better health outcomes. Who this helps: This helps patients, particularly girls with hypogonadism, and their doctors.

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This study examined a large number of young dairy and beef cattle to understand how often certain genetic conditions, called autosomal aneuploidies, occur. Out of over 779,000 cattle, researchers found only 139 cases of autosomal trisomy, which is a duplication of a chromosome, representing a very low prevalence of 0.017%. Most of the affected animals were found to have died young, highlighting the potential risks of these genetic conditions in cattle. Who this helps: This research benefits cattle breeders and veterinarians by providing important data on genetic health in livestock.

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This research studied how children with autism and those without (neurotypical children) keep conversations going. It found that while autistic children were more prone to give brief responses and struggle with certain conversational cues, they also managed to answer questions that kept the conversation on topic 62% of the time. Furthermore, both groups showed that better conversational skills were linked to their ability to understand others' perspectives and their age. Who this helps: This benefits children, as well as teachers working to improve social skills in all students.

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This study looked at two CAR T-cell therapies, lisocabtagene maraleucel (liso-cel) and axicabtagene ciloleucel (axi-cel), used to treat large B-cell lymphoma in patients who had already tried other treatments. Researchers found that while the response rates were similar—72% for axi-cel and 62% for liso-cel—the average time to receive liso-cel was longer (41 days compared to 30 days for axi-cel). Additionally, when considering patient backgrounds, liso-cel appeared to be less effective over time. Who this helps: This study benefits doctors and patients dealing with large B-cell lymphoma by providing clearer insights into treatment options.

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This study looked at disaster medicine programs in the U.S. by surveying program directors and alumni. It found that most programs last one year and accept only 1-2 fellows, with over 60% offering advanced degrees. Most alumni feel their training improved their job prospects and helped them advance their careers in academic and government roles. Who this helps: This benefits aspiring disaster medicine specialists and healthcare leaders.

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This study looked at tardive dyskinesia (TD), a movement disorder caused by certain psychiatric medications. Researchers found that risk factors like older age and prolonged medication use make TD more likely. They highlighted the need for effective screening methods, like the Abnormal Involuntary Movement Scale, and noted that newer medications approved in 2017 have been successful in managing TD symptoms with ongoing psychiatric care, leading to better quality of life for patients. Who this helps: This helps patients with tardive dyskinesia and their doctors.

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This study looked at how effective sugar-free lozenges containing cetylpyridinium chloride and benzocaine are against viruses and bacteria that cause throat infections. The results showed that these lozenges could kill the influenza virus after just 5 minutes and significantly reduce levels of a common coronavirus after 10 minutes. This matters because using these lozenges could help treat throat infections without contributing to antibiotic resistance. Who this helps: Patients with throat infections.

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This study looked at how often parents engage their young kids in math activities at home and how that affects the children's math skills. Researchers analyzed data from nearly 1,000 families and found that children who participated in a high number of home math activities scored better in math compared to those who had low or intermediate engagement, with no noticeable differences based on family income or education level. This research highlights the importance of parents' involvement in math at home, regardless of their socioeconomic status, as a way to help improve children's early math skills. Who this helps: This benefits parents and educators looking for ways to support children's math development.

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This study looked at how two antifungal medications, amphotericin B (AmB) and nystatin, affect the replication of the virus that causes COVID-19. The researchers found that AmB and nystatin can actually increase the virus's ability to multiply by up to 100 times in some cell types. This is important because it means using these antifungals in patients with COVID-19 could make their infection worse, rather than helping them. Who this helps: This information primarily helps doctors in treating COVID-19 patients who also have fungal infections.

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This study examined how special surface designs inspired by shark skin can reduce friction in drinking water pipes, which helps save energy. Researchers tested these designs in pipes of different sizes and found that the best riblet spacing for reducing drag varied based on the pipe diameter. They achieved up to a 6% reduction in drag, which means less energy is needed to move water through the system. Who this helps: This benefits water utility companies and consumers by lowering energy costs and improving water distribution efficiency.

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This study explored how to involve patients in the research on new eye treatments for Geographic Atrophy, a serious eye condition. By working with eight patient advisors, researchers developed a questionnaire to better understand patients' views on these treatments, making specific changes based on the advisors’ feedback to ensure clarity and relevance. This involvement not only improved the quality of the research but also made sure it addressed what matters most to patients. Who this helps: This helps patients with Geographic Atrophy and their healthcare providers.

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This study looked at how responsive caregivers affect the early communication skills of infants. Researchers found that when caregivers were more responsive, infants showed a significant increase in their pre-linguistic communication—this means they used gestures and sounds more effectively. Specifically, infants whose caregivers were part of the communication program had improved communicative acts compared to those whose caregivers focused on physical health. Understanding these early interactions is important because they help lay the foundation for later language development and social understanding. Who this helps: This helps infants and their caregivers build stronger communication skills early on.

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This study examined how the GLP-1 receptor (GLP-1R) affects inflammation and gut damage in mice with a condition called acute graft versus host disease (aGvHD) after a bone marrow transplant. Researchers found that stimulating GLP-1R did not reduce gut injury or inflammation; for example, even with treatment using semaglutide, there was no significant change in gut health or inflammation levels. This matters because it suggests that GLP-1 medications may not be effective in reducing inflammation in this specific condition. Who this helps: This helps doctors and researchers understand the limitations of GLP-1 treatments for patients with aGvHD.

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This study focused on a type of aggressive brain tumor called glioblastoma and examined how a combination treatment using two immune therapies (Anti-PD-1 and Anti-LAG-3) affects T cells in the tumor. The researchers found that this dual therapy increased the diversity and activity of tumor-fighting T cells, with many new T cells coming from the rest of the body into the tumor area and developing into effective killers of cancer cells. This matters because it sheds light on how to improve treatment effectiveness for glioblastoma, potentially leading to better patient outcomes. Who this helps: Patients with glioblastoma.

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This study looked at new riblet designs for water pipelines that help reduce energy loss caused by friction in flowing water. Researchers developed a Hierarchical Step-shaped Riblet (HSR) that showed a peak drag reduction of 11.2% and worked better under different flow conditions than older designs. This is important because it means water distribution systems can operate more efficiently, saving energy and potentially reducing costs. Who this helps: This helps water utility companies and their customers by improving energy efficiency in water distribution.

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This study looked at how girls with Turner syndrome start puberty, focusing on their and their families' opinions about the process. Out of 109 participants, 70.6% began treatment between ages 10 and 16, with 58.7% reporting satisfaction with breast development, although older girls were less satisfied. The findings highlight the importance of simplifying treatment methods to meet patients' expectations and improve their experiences during puberty. Who this helps: This research benefits girls with Turner syndrome and their families.

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This study looked at patent filings for COVID-19 vaccines worldwide to see where these vaccines were developed and who was applying for patents. It found that most patent applications came from countries in the G20 not part of the G7, and corporate applicants were the main contributors in G7 countries, while universities and research organizations played a bigger role in G20 non-G7 nations. Understanding these patterns is important as they highlight collaboration in vaccine development and indicate where innovation is happening, which can influence future research and access to vaccines. Who this helps: This benefits researchers and policymakers in the vaccine field.

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The research studied a group of butterflies in the Caribbean known as Dianesia, previously thought to be one species. They discovered that this group actually includes at least nine different species by examining their DNA and physical features. Understanding these differences is important for their conservation and helps researchers better grasp the butterflies' ecology and behaviors. Who this helps: This helps researchers and conservationists working to protect butterfly species.

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This study looked at long-acting injectable antipsychotics, which are medications that can help people with schizophrenia and related disorders by ensuring they receive their treatment consistently. The researchers found that these injections can be especially beneficial for patients who struggle with taking pills regularly and those who are just starting treatment. They emphasize that healthcare providers should consider using these injections in various settings, such as hospitals and community clinics, to improve patient care. Who this helps: This benefits patients with schizophrenia and their families, as well as healthcare providers involved in their treatment.

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Researchers studied how to restore the American chestnut tree, which was nearly wiped out by a disease. They found a way to quickly produce both male and female flowers indoors, allowing them to create the first fully genetically modified chestnuts that almost always pass on their traits to offspring—nearly 100% success. This is important because it helps speed up the process of bringing this valuable tree species back to its natural habitat. Who this helps: This benefits conservationists, environmental scientists, and ecosystems reliant on the American chestnut.

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This research paper looked at how fasting during Ramadhan affects people with chronic illnesses in Muslim communities. It summarized various studies and highlighted that there is not enough solid information to guide doctors in advising their patients on health risks while fasting, particularly for those with non-communicable diseases (like diabetes and heart disease). This matters because better guidance can help ensure the health and safety of fasting patients while respecting their religious practices. Who this helps: This helps patients living with chronic illnesses and their doctors.

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This study looked at glycosyltransferases (GTs), which are enzymes that help attach sugar molecules to various natural products. Researchers created new versions of these enzymes by mixing parts from two different GTs to produce a combination that could work with a wider range of substrates. They found that these new enzymes had improved flexibility; for example, the engineered dimer could handle a variety of substrates better than the original enzymes. Who this helps: This benefits biotechnologists and researchers working on drug development and natural product synthesis.

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This study looked at how well two different tracers—MS2 bacteriophage and sodium fluorescein dye—move through a specific type of groundwater system called a karst aquifer in southeast England. Researchers found that the MS2 phage moved slightly faster than the dye but was spread out much less, indicating significant loss as it traveled. This matters because it helps us understand how viruses in groundwater behave, which is important for tracking contamination and ensuring water safety. Who this helps: This helps scientists and environmental agencies working on groundwater contamination issues.

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This study looked at how changes in DNA-binding proteins, specifically a group called transcriptional repressors, affect their function and evolution. The researchers found that the pathways of evolution for these proteins are complex and unpredictable, with 1,158 sequences showing that proteins can quickly switch functions, making it challenging for them to evolve without facing regulatory issues. Understanding these evolutionary patterns is important for grasping how genetic regulation works in living organisms. Who this helps: This helps scientists and researchers studying protein evolution and genetic regulation.

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This study examined the occurrence of sex-chromosome aneuploidy, a genetic condition that can cause infertility, in over 146,000 young cattle. Researchers found that the rates of this condition were very low: 0.0048% for XO females, 0.0350% for XXX females, and 0.0870% for XXY males. Understanding and detecting these genetic issues early can help farmers avoid the costs associated with raising and breeding infertile cattle. Who this helps: This benefits farmers and cattle breeders looking to improve herd fertility.

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This study focused on improving DNA origami structures, which are tiny shapes made from DNA, by adding specific attachments that stabilize them. Researchers found that by using a special light and a unique oligonucleotide, they could effectively attach other functional groups to these structures with around 80% success. This is important because it makes the DNA origami more robust and useful for future applications, like drug delivery or molecular sensing. Who this helps: This helps researchers and scientists working with DNA nanotechnology.

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This study looked at a new treatment called zampilimab, which targets an enzyme linked to kidney damage caused by scarring (or fibrosis) in chronic kidney disease. The researchers found that zampilimab effectively reduced fibrosis in lab tests and gave significant results in monkey models, showing over 50% reduction in scarring after four weeks of treatment. These findings are important because they point towards a potential new way to treat kidney damage, addressing a condition that currently has no specific treatments available. Who this helps: Patients with chronic kidney disease.

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This study looked at a new method for creating textured surfaces on embossing rolls by embedding tiny ceramic particles into the roll's surface using a laser. The researchers experimented with features smaller than 150 micrometers wide and between 1 and 15 micrometers high, which resulted in surfaces that are much harder than standard steel. This technique allows for better surface designs without the need for extra coatings, making it useful for various industries. Who this helps: This benefits manufacturers who need durable and customizable embossed products.

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Researchers studied two diabetes drugs, semaglutide and tirzepatide, to see if they could help prevent or reduce Alzheimer's disease in mice. While the drugs helped the mice lose weight and improve their blood sugar levels, there was no change in the brain's disease markers or behavior related to memory and learning after treatment. This matters because, although these medications work well for diabetes, they do not appear to help with Alzheimer’s symptoms or progression. Who this helps: This helps doctors and researchers understand that these drugs may not be effective for Alzheimer's patients.

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This study looked at how well a digital system, enhanced by doctors' clinical judgments, can predict which patients are at higher risk of needing urgent care or may die. Out of over 31,000 patients, nearly 4,000 were identified as needing closer attention, and those labeled as "Concern" had a much higher event rate of 168 per 1,000 within 30 days compared to just 19 per 1,000 for the whole group. The findings show that combining digital tools with doctors' insights leads to better predictions of serious health outcomes, which can help prioritize patient care effectively. Who this helps: This benefits doctors and health care providers by improving patient assessment and care planning.